2019538

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1021}}^1$

素因数の和:1089

約数の個数: 16

約数和(自身を含む): 3237696

約数和(自身を除く): 1218158

約数列:

[1, 2, 23, 43, 46, 86, 989, 1021, 1978, 2042, 23483, 43903, 46966, 87806, 1009769, 2019538]

約数ペア:

[(1, 2019538), (2, 1009769), (23, 87806), (43, 46966), (46, 43903), (86, 23483), (989, 2042), (1021, 1978)]